Measurement of the 17O\(p,α\)14N Cross Section at Stellar Energies

Details Measurement of the 17O\(p,α\)14N Cross Section at Stellar Energies Measurement of the 17O\(p,α\)14N Cross Section at Stellar Energies

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvl..74.2642b&link_type=abstract

Physical Review Letters, Volume 74, Issue 14, April 3, 1995, pp.2642-2645

Astronomy and Astrophysics

Astrophysics

33

Scientific paper

The cross section for the astrophysically important 17O\(p,α\)14N reaction was measured at proton energies of 75 and 65 keV. Thick, high-purity Ta2O5 targets (77% enriched 17O) and large-area detectors were used with beam currents of 0.45 mA. Backgrounds were measured using Ta2O5 targets of natural isotopic composition. The expected resonance at Ep = 70 keV was observed in the data taken at 75 keV, and its proton width was found to be 22+/-3stat+/-2target +2-1beam neV.

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